Belgian Shepherds come in four varieties: 1  the Belgian Groenendael (longhaired black) 2  the Belgian Tervuren (longhaired fawn/mahogany) 3  the Belgian Malinois (shorthaired fawn/mahogany)  the Belgian Laekenois (roughhaired fawn)
Depression causes lack of appetite. The cat will be less active, sleep more, will be aggressive, easily irritable and sometimes extremely vocal. Depression may be caused by loss, lack of attention from the owner, hormonal imbalance or a disease. Depression can be treated with mild antidepressants.
Back to Top Causes. Causes of increased appetite include: 1  Anxiety. 2  Certain drugs (such as corticosteroids, cyproheptadine, and tricyclic antidepressants). 3  Bulimia (most common in women 18 - 30 years old). 4  Diabetes mellitus (including gestational diabetes). 5  Graves' disease. 6  Hyperthyroidism. 7  Hypoglycemia.